3v4l.org

run code in 300+ PHP versions simultaneously
<?php isset($foo);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.00318.03
8.3.50.0100.00622.84
8.3.40.0140.00018.68
8.3.30.0040.01118.87
8.3.20.0050.00822.94
8.3.10.0080.00723.61
8.3.00.0120.00622.92
8.2.180.0130.00618.16
8.2.170.0100.00722.96
8.2.160.0130.00320.41
8.2.150.0050.00924.92
8.2.140.0090.00523.63
8.2.130.0050.01125.08
8.2.120.0090.00723.42
8.2.110.0110.00723.69
8.2.100.0070.00822.66
8.2.90.0100.00622.84
8.2.80.0050.01022.55
8.2.70.0120.00622.44
8.2.60.0090.00722.51
8.2.50.0080.00622.62
8.2.40.0080.00522.59
8.2.30.0090.00522.89
8.2.20.0090.00422.46
8.2.10.0090.00522.54
8.2.00.0060.00622.45
8.1.280.0140.00325.92
8.1.270.0080.00523.93
8.1.260.0060.00725.54
8.1.250.0060.00626.00
8.1.240.0060.00624.00
8.1.230.0070.00722.81
8.1.220.0060.00722.52
8.1.210.0090.00422.75
8.1.200.0080.00622.32
8.1.190.0080.00622.37
8.1.180.0070.00722.51
8.1.170.0050.00622.65
8.1.160.0060.00523.50
8.1.150.0050.00522.72
8.1.140.0050.00622.29
8.1.130.0060.00422.56
8.1.120.0060.00422.41
8.1.110.0040.00522.38
8.1.100.0050.00422.37
8.1.90.0050.00522.33
8.1.80.0060.00422.36
8.1.70.0050.00522.35
8.1.60.0050.00422.44
8.1.50.0090.00122.40
8.1.40.0060.00522.45
8.1.30.0050.00519.98
8.1.20.0070.00620.77
8.1.10.0110.00520.71
8.1.00.0120.00320.63
8.0.300.0050.00622.57
8.0.290.0130.00421.93
8.0.280.0150.00622.46
8.0.270.0030.00622.12
8.0.260.0090.00320.45
8.0.250.0070.00322.02
8.0.240.0140.00422.05
8.0.230.0100.00422.04
8.0.220.0040.00722.06
8.0.210.0100.00422.00
8.0.200.0070.00422.01
8.0.190.0080.00422.07
8.0.180.0040.00522.04
8.0.170.0120.00122.03
8.0.160.0090.00420.29
8.0.150.0130.00420.24
8.0.140.0140.00420.21
8.0.130.0130.00319.65
8.0.120.0130.00520.25
8.0.110.0100.00620.29
8.0.100.0150.00520.26
8.0.90.0150.00320.22
8.0.80.0120.00420.28
8.0.70.0090.00520.25
8.0.60.0110.00620.26
8.0.50.0140.00420.24
8.0.30.0100.00619.86
8.0.20.0130.00419.98
8.0.10.0120.00520.35
8.0.00.0130.00520.03
7.4.330.0100.00320.62
7.4.320.0130.00521.86
7.4.300.0180.00221.83
7.4.290.0150.00521.91
7.4.280.0160.00620.78
7.4.270.0200.00420.00
7.4.260.0190.00520.03
7.4.250.0220.00420.00
7.4.240.0200.00419.45
7.4.230.0220.00519.98
7.4.220.0180.00520.02
7.4.210.0200.00420.01
7.4.200.0110.00820.06
7.4.190.0160.00520.75
7.4.180.0160.00720.77
7.4.160.0170.00620.07
7.4.150.0220.00620.20
7.4.140.0140.00719.88
7.4.130.0150.00519.47
7.4.120.0160.00519.47
7.4.110.0160.00519.96
7.4.100.0170.00720.02
7.4.90.0200.00719.98
7.4.80.0190.00620.45
7.4.70.0160.00619.96
7.4.60.0160.00420.01
7.4.50.0170.00319.91
7.4.40.0150.00719.93
7.4.30.0190.00619.94
7.4.20.0170.00520.67
7.4.10.0120.00619.65
7.4.00.0100.00719.04
7.3.330.0140.00419.35
7.3.320.0130.00419.35
7.3.310.0120.00619.84
7.3.300.0130.00419.92
7.3.290.0150.00619.87
7.3.280.0160.00718.97
7.3.270.0170.00720.05
7.3.260.0170.00519.87
7.3.250.0150.00519.43
7.3.240.0190.00619.86
7.3.230.0180.00419.87
7.3.220.0200.00320.51
7.3.210.0170.00319.89
7.3.200.0180.00620.24
7.3.190.0200.00619.84
7.3.180.0180.00519.84
7.3.170.0200.00620.02
7.3.160.0220.00319.88
7.3.150.0170.00820.63
7.3.140.0190.00820.54
7.3.130.0180.00519.56
7.3.120.0170.00619.59
7.3.110.0180.00419.52
7.3.100.0160.00619.46
7.3.90.0170.00619.65
7.3.80.0160.00619.55
7.3.70.0130.00619.55
7.3.60.0130.00519.65
7.3.50.0140.00419.61
7.3.40.0130.00419.71
7.3.30.0130.00619.68
7.3.20.0160.00420.03
7.3.10.0140.00519.92
7.3.00.0160.00319.47
7.2.340.0160.00520.64
7.2.330.0120.00719.97
7.2.320.0170.00420.04
7.2.310.0180.00519.98
7.2.300.0150.00919.90
7.2.290.0180.00519.94
7.2.280.0200.00320.64
7.2.270.0200.00320.58
7.2.260.0180.00719.69
7.2.250.0150.00619.64
7.2.240.0110.00819.74
7.2.230.0160.00319.60
7.2.220.0190.00519.66
7.2.210.0160.00319.71
7.2.200.0200.00519.75
7.2.190.0170.00819.71
7.2.180.0140.00619.68
7.2.170.0160.00319.80
7.2.160.0180.00419.87
7.2.150.0150.00620.01
7.2.140.0150.00420.07
7.2.130.0120.00619.58
7.2.120.0180.00419.71
7.2.110.0190.00519.73
7.2.100.0120.00819.65
7.2.90.0150.00419.61
7.2.80.0180.00519.64
7.2.70.0200.00519.61
7.2.60.0280.00519.08
7.2.50.0130.00619.63
7.2.40.0130.00619.69
7.2.30.0150.00719.55
7.2.20.0170.00619.63
7.2.10.0200.00719.73
7.2.00.0140.00719.55
7.1.330.0140.00519.38
7.1.320.0190.00419.47
7.1.310.0190.00619.38
7.1.300.0180.00519.35
7.1.290.0150.00519.33
7.1.280.0150.00519.34
7.1.270.0140.00519.58
7.1.260.0120.00519.38
7.1.250.0130.00318.71
7.1.240.0130.00418.82
7.1.230.0110.00518.76
7.1.220.0110.00518.83
7.1.210.0130.00518.82
7.1.200.0120.00818.75
7.1.190.0190.00418.79
7.1.180.0140.00418.84
7.1.170.0120.00518.76
7.1.160.0130.00418.76
7.1.150.0110.00618.84
7.1.140.0130.00518.82
7.1.130.0200.00718.86
7.1.120.0130.00518.83
7.1.110.0140.00318.84
7.1.100.0120.00418.67
7.1.90.0210.00418.71
7.1.80.0130.00518.85
7.1.70.0120.00418.50
7.1.60.0140.00518.92
7.1.50.0120.00518.51
7.1.40.0130.00518.81
7.1.30.0130.00818.82
7.1.20.0140.00518.78
7.1.10.0120.00518.81
7.1.00.0110.01419.17
7.0.330.0140.00418.63
7.0.320.0140.00518.67
7.0.310.0170.00518.60
7.0.300.0130.00418.53
7.0.290.0110.00618.61
7.0.280.0110.00618.62
7.0.270.0110.00718.60
7.0.260.0130.00418.65
7.0.250.0180.00518.65
7.0.240.0140.00418.72
7.0.230.0130.00418.71
7.0.220.0140.00318.63
7.0.210.0150.00418.71
7.0.200.0100.00618.33
7.0.190.0140.00418.63
7.0.180.0120.00618.61
7.0.170.0110.00618.64
7.0.160.0130.00418.63
7.0.150.0110.00618.63
7.0.140.0130.01219.00
7.0.130.0110.00618.57
7.0.120.0120.00418.67
7.0.110.0110.00618.57
7.0.100.0100.01318.83
7.0.90.0160.01518.73
7.0.80.0130.01418.78
7.0.70.0100.01418.69
7.0.60.0100.01418.77
7.0.50.0100.01518.84
7.0.40.0080.01618.30
7.0.30.0160.01118.31
7.0.20.0130.01318.27
7.0.10.0150.01418.27
7.0.00.0120.01418.28
5.6.400.0140.01519.32
5.6.390.0120.01719.19
5.6.380.0160.01218.53
5.6.370.0140.01318.57
5.6.360.0140.01418.46
5.6.350.0110.01518.58
5.6.340.0120.01218.58
5.6.330.0130.01218.52
5.6.320.0120.01618.56
5.6.310.0090.01418.62
5.6.300.0120.01418.54
5.6.290.0110.01218.67
5.6.280.0100.02418.81
5.6.270.0120.01518.55
5.6.260.0110.01418.54
5.6.250.0120.01618.82
5.6.240.0070.02318.83
5.6.230.0110.02018.85
5.6.220.0110.02018.86
5.6.210.0110.01518.77
5.6.200.0100.02418.94
5.6.190.0110.02218.97
5.6.180.0100.02018.88
5.6.170.0110.02218.92
5.6.160.0130.01718.91
5.6.150.0100.01818.88
5.6.140.0100.02418.87
5.6.130.0090.02018.92
5.6.120.0080.02218.86
5.6.110.0090.02318.91
5.6.100.0080.02018.89
5.6.90.0110.02218.94
5.6.80.0100.01918.76
5.6.70.0110.01818.81
5.6.60.0120.02018.76
5.6.50.0110.01818.71
5.6.40.0090.02018.76
5.6.30.0080.02118.85
5.6.20.0060.01818.73
5.6.10.0100.02218.74
5.6.00.0080.01618.75
5.5.380.0090.02218.68
5.5.370.0100.01818.70
5.5.360.0110.02418.55
5.5.350.0140.01318.58
5.5.340.0110.02518.65
5.5.330.0110.02518.67
5.5.320.0130.02018.62
5.5.310.0130.01818.54
5.5.300.0120.02118.61
5.5.290.0120.01618.61
5.5.280.0120.02118.64
5.5.270.0140.02318.67
5.5.260.0120.01718.67
5.5.250.0130.02018.70
5.5.240.0120.02018.59
5.5.230.0140.01918.59
5.5.220.0100.02118.62
5.5.210.0100.01718.62
5.5.200.0100.02118.52
5.5.190.0120.02018.45
5.5.180.0130.01618.49
5.5.170.0110.01218.30
5.5.160.0090.01918.59
5.5.150.0100.01618.55
5.5.140.0100.01418.45
5.5.130.0090.01618.50
5.5.120.0110.01618.53
5.5.110.0120.01418.52
5.5.100.0100.01618.60
5.5.90.0100.01718.56
5.5.80.0080.01518.63
5.5.70.0110.01418.57
5.5.60.0120.01418.53
5.5.50.0080.02018.56
5.5.40.0090.02218.61
5.5.30.0110.01318.57
5.5.20.0130.01718.59
5.5.10.0100.01518.62
5.5.00.0100.01918.54
5.4.450.0100.02117.89
5.4.440.0100.02217.86
5.4.430.0130.02217.83
5.4.420.0120.02017.88
5.4.410.0100.02317.83
5.4.400.0080.02117.73
5.4.390.0110.02117.80
5.4.380.0120.01717.72
5.4.370.0090.02117.75
5.4.360.0100.01917.78
5.4.350.0110.02217.84
5.4.340.0110.01817.74
5.4.330.0120.01017.62
5.4.320.0090.01717.83
5.4.310.0090.01417.83
5.4.300.0090.01717.79
5.4.290.0100.01717.81
5.4.280.0110.01517.84
5.4.270.0120.01317.85
5.4.260.0130.01617.73
5.4.250.0090.01717.77
5.4.240.0110.01817.82
5.4.230.0090.02317.76
5.4.220.0070.01917.74
5.4.210.0100.01817.70
5.4.200.0110.01317.71
5.4.190.0090.02017.74
5.4.180.0080.02217.71
5.4.170.0090.01417.76
5.4.160.0080.01517.78
5.4.150.0070.01817.70
5.4.140.0100.01517.37
5.4.130.0100.01517.36
5.4.120.0100.01917.41
5.4.110.0080.01717.39
5.4.100.0080.01717.44
5.4.90.0090.01617.38
5.4.80.0070.01617.37
5.4.70.0070.02017.44
5.4.60.0080.01817.45
5.4.50.0080.01317.38
5.4.40.0080.01417.36
5.4.30.0080.01517.41
5.4.20.0060.02017.39
5.4.10.0100.01217.42
5.4.00.0100.01717.31

preferences:
44.38 ms | 401 KiB | 5 Q